int foo() {
 int a=10;
 int x1=0;
 int *x=&x1;
 int y1=0;
 int *y=&y1;
 int *p;
if (a > 101) {
    *x = 5;
    p = x;
  } else {
    *y = 9;
    p = y;
  }
  return *p;
}
